Easy Debug

debug.php

class Debug
{
    private $debug = true;
    private $start_time = 0;

    /**
     * prints debug message
     * @param type $message
     */
    public function debug($message)
    {

        if (!$this->debug)
            return;

        if ($this->start_time == 0) {
            $duration = 0;
        } else {
            $duration = round((time() - $this->start_time));
        }

        echo '[DEBUG] ' . $message . ' ( Mem: ' . round(memory_get_usage() / 1048576, 2) . " MB, Time: $duration s )\n";

        $this->start_time = time();
    }
}